Noun

1. A rotational or twisting effect of a force; a moment of force. Torque is measured as an equivalent straight line force multiplied by the distance from the axis of rotation, hence the SI unit Newton-metre (Nm) or imperial unit foot-pound (ft.lbf).

See also

• Customary: foot-pounds (ft·lbf) or pound-feet (lbf·ft), inch-ounces (in·ozf)
• Metric: newton meters (N·m)
• Symbol for torque as a variable: τ
• Moment of a force.